15.25: A gas undergoes tdp36n2a mfh2409;almfums waf (xxp0he unusual process M $\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?

  03.28: When gas escapes from a pressurized cylinder, the v.bz/ 8udw d7dfy+h0ystream of gas feels cool. This is becaus8f/hbz.0wd + 7vdyyud e

  94.35: A gas can be taken from state a to c by two difr 96c.ht/ q jj /fq,bpm6cp:noferent reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system and 30.0 J of he.mh/rcpj,o n ftpb :/qq696c jat are added to the system. During the process a→b→c, 25.0 J of heat are added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus wn p 9329oai9mk;) 0sctljhab Volume graph shown, in the process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J of heat are added. In the process of going a to c 93h9;n29ctb0j klamswo) pi a to d, what is the total heat added?

  96.22: When an ideal gas nx) 9c66flr8 uyi nf2vis isothermally compressed:

  97.15: Which of the following is always true for an isothermal process of an iddl3 qz ;n5z:hleal gas? lhd;q5 :lz3zn

  13.31: A monatomic ideal gas undergoes a reversible isothgsx):o3t/jkv; yuh *iermal expansion in an enclosed container.is 3/jv xhg):*kt uoy; Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas un r8 rbah9jlqx(tyhlv +,xd15.dergoes an isobaric expansion followed by an isochoric cooling. 9dxatvlr 1 ( hl.h5jxbq,y+r8Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomi- u/ 4-:tt7m+ p;wyzfmm cynzec ideal gas undergoes an isobaric expansion. In the ppmfmt4nw -ez;ymuz c: -+yt/7 rocess, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During t g 5 b..6hozef*ag bc;ioelt)0he process, the gas e5ahi0.gtlo b6 goeb.z;c f*)performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric procgr) ;zr;cy6ubx.ze q ;ess on an enclosed ideal gas in which the pressure decrease6e) .g;rzxz;yr cb;u qs?

  15.47 One mole of a diatomic ideal gas undergoes a reversible a(tbkjs x :baqjird0xi 1x4m o2n1p3+6diabatic process. The pressure and volume ptb2xi3a 06mod 4 xrq:k1si+jnjx(b1initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same fs fgo g02.q)v st3c(gideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in containers A and B, which is at the higher temperatg2g3 t fsgfoq0.(v)scure?
The gas in container A performs non-zero work W on the surroundings during an isobaric (constant pressure) process before the pressure is reduced isochorically (constant volume) to 1/2 its initial amount.
The gas in container B has its pressure reduced isochorically (constant volume) to 1/2 its initial value and then the gas performs non-zero work W on the surroundings during an isobaric (constant pressure) process.

  05.38: The PV diagram shows four different po;i5aw /wm, o.nysjjylh64lv :ssible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant volume). For which process(es5 n mh,w4y/ w6o:jjl;.sivyal ) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of the fol04 ots jr:sjb7g- 6wmilowing reversible process -47osm :sjiwj 6trbg0es has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, whilukdp z8+4ku y tha),n;e container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sampl4hy+ kup,zkua8n ;)d te of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and tem csl060cg )xpsm6fkivy/ n7h+oc n9f(perature T . Which of the following processes would result in the gre ns60vkc/c9h nslc70x(pom)f + 6ygifatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a3g/r t6kegts9 v14f xm monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat assotg9fsm /e3xk rgt146v ciated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling